Technical Specifications Module Type: Combined Digital Input / Output Module Channel Configuration: Multi‑channel digital input + multi‑channel digital output Signal Type: Dry‑contact discrete input, isolated discrete output Channel Isolation: Per‑channel galvanic isolation Communication Interface: Redundant I/A fieldbus Operating Power: 24 VDC Operating Temperature: 0 °C to +60 °C Storage Temperature: ‑40 °C to +85 °C Relative Humidity: 5%‑95%, non‑condensing Mounting: DIN‑rail baseplate installation Certifications: CE industrial combined I/O module compliance
Functional Features Integrated digital input signal acquisition and digital control output functions. Configurable input filter time suppresses field contact jitter and interference pulse. Supports configurable fail‑safe output state for system fault and communication failure scenario. Built‑in fault diagnosis monitors input and output channel loop abnormal condition. Redundant fieldbus communication improves data and command transmission reliability. Hot‑swappable module design for convenient on‑site maintenance replacement.
Application Scenarios Used in petrochemical, chemical and power‑plant DCS control system. For local equipment control loops, collects valve feedback, equipment running status switch‑value signal, outputs interlock control signal for solenoid valves and intermediate relays.
Structural Characteristics Compact 200‑series combined‑I/O module housing, hardware assembly part number P0916PW. Gold‑plated bottom connector for electrical connection with DIN‑rail baseplate. Front‑panel LED status indicators for power, bus communication, input and output channel alarm.
Working Principle Field discrete input signal passes through termination assembly to FBM217 P0916PW module. After isolation and filter processing, module gathers channel switch‑status information and uploads to DCS field control processor via redundant fieldbus. Control commands from processor are converted into discrete driving output signal to field actuators. Module monitors each channel operating status.
Installation Requirements Install supporting baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM217 P0916PW onto baseplate and lock mechanical buckle. Complete field input‑output signal wiring on matched termination assembly terminals. Complete redundant fieldbus cable connection.
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